Water Rocket Forum

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A water rocket is a type of model rocket using water as its reaction mass. The pressure vessel (the engine of the rocket) is constructed from thin plastic or other non metallic materials (usually a used plastic soft drink bottle) weighing 1,500 grams or less. The water is forced out by compressed air. It is an example of Newton's third law of motion.

Well if kids have their hands on the stuff without guidance, it will eventually happen. Even I have had a few incidents with piles of leaves catching fire after playing with pyrotechnic powder. So if kids have all that and no parental guidance....Well, here is the formula: SP+GP+NPA=Explosion where SP equals spare time and GP equals gun powder, and NPA equals no parental advisory.

Water Rocket Expert
I'm 18
Maryland"Anyone who has never made a mistake has never tried anything new." -Albert Einstein

Water Rocket Expert wrote:Well if kids have their hands on the stuff without guidance, it will eventually happen. Even I have had a few incidents with piles of leaves catching fire after playing with pyrotechnic powder. So if kids have all that and no parental guidance....Well, here is the formula: SP+GP+NPA=Explosion where SP equals spare time and GP equals gun powder, and NPA equals no parental advisory.

Agreed. This particular story doesn't have kids however.

People familiar with something tend to become blind to the dangers over time.

For some people, even using matches is just too much responsibility. Even my dad doesn't let me purchase an oxygen tank for my hybrid rocket engine testing.

Due to issues with "irresponsibility" with paint, though I have temporarily been banned from rocketry altogether although this site does not count. Hopefully, within the next month I will be permitted to continue to build my wa ter rockets and Estes pyros.

Dumb adults who blow up the place.

Water Rocket Expert
I'm 18
Maryland"Anyone who has never made a mistake has never tried anything new." -Albert Einstein

Water Rocket Expert wrote:Since I am 15, my dad would have to take me to the store to purchase it (unless I can buy it from my neighbor, or have my friends smuggle it home for me). On the way to Home Depot, my dad would say, "Why do you need stump remover". I say "Uh? Well I know, I need to remove that tree in the woods." Things would go down hill from there as my dad has a pretty bad idea of me playing with explosives although I try to make him understand that it is just an oxidizer, he says that in school, he remembers it being flammable. I build a hybrid motor today and the flame melted the nozzle made of a metal garden hose connector. I made the oxygen from bleach and hydrogen peroxide and the fuel being PVC. I ignited it using steel wool.

Water Rocket Expert

SPWR

Years ago, 15 year old boys faced the exact same challenges and overcame them one way or another, and the internet wasn't even available back then.

Water Rocket Expert wrote:Since I am 15, my dad would have to take me to the store to purchase it (unless I can buy it from my neighbor, or have my friends smuggle it home for me). On the way to Home Depot, my dad would say, "Why do you need stump remover". I say "Uh? Well I know, I need to remove that tree in the woods." Things would go down hill from there as my dad has a pretty bad idea of me playing with explosives although I try to make him understand that it is just an oxidizer, he says that in school, he remembers it being flammable. I build a hybrid motor today and the flame melted the nozzle made of a metal garden hose connector. I made the oxygen from bleach and hydrogen peroxide and the fuel being PVC. I ignited it using steel wool.

Water Rocket Expert

SPWR

Years ago, 15 year old boys faced the exact same challenges and overcame them one way or another, and the internet wasn't even available back then.

October Sky- favorite scene was the abandoned train line where they were attempting to overcome their funds shortage. Woo wooo!